Finding the Fourth Proportional to 53,988,963.68, 80,991,843.60 and 17,588,880.12
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Solution
The fourth proportional to 53,988,963.68, 80,991,843.60 and 17,588,880.12 is: 26,386,056.16
Step by Step Solution
- Step 1: Write the proportion equation
53,988,963.68 : 80,991,843.60 = 17,588,880.12 : x - Step 2: Convert to fraction form
53,988,963.68/80,991,843.60 = 17,588,880.12/x - Step 3: Cross multiply
53,988,963.68x = 80,991,843.60 × 17,588,880.12 - Step 4: Simplify right side
53,988,963.68x = 1,424,555,827,778,189.25 - Step 5: Solve for x
x = 1,424,555,827,778,189.25/53,988,963.68 - Step 6: Final answer
x = 26,386,056.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.